Knocking on wood

What it is

Knocking on wood is an apotropaic tradition used to avoid tempting fate. Practitioners tap, touch, or knock on wood after making a favorable prediction or boast. The action serves as a safeguard against negative outcomes or evil forces that might otherwise undo good luck. It is often accompanied by specific phrases in local languages, such as 'touch wood' or 'knock on wood'. The practice functions as a protective barrier between the speaker and potential misfortune.

Where it comes from

The custom has roots in ancient spirituality and tree worship. Pre-Christian Germanic beliefs involved Norns sending fate through trees, while Celtic peoples believed touching wood called upon tree spirits. Christians later linked the gesture to the wood of the crucifixion. Folklore researcher Steve Roud suggests a secular origin in the children's game 'Tiggy Touchwood', where touching wood granted safety from being tagged. These diverse origins have merged into a single global habit.

How it is done

The method involves physically tapping a wooden object with a finger or knuckle. In some regions, three knocks are required. If no wood is available, people may knock on their head, teeth, or forehead. The gesture is frequently paired with verbal phrases like 'God guard us' or 'may the Devil not hear'. In Turkey, it is accompanied by pulling the earlobe and inhaling sharply. The action is immediate and reactive, performed at the moment of speaking about luck or danger.

Tools and materials

Wood is the primary tool, though substitutes exist when wood is unavailable. People knock on tables, chairs (though sometimes exempted), building stones, metal, or even their own bodies like teeth and foreheads. In Egypt and Lebanon, the phrase 'hold the wood' is spoken without physical contact if wood is absent. The choice of material varies by region, with some cultures preferring unpainted wood for its perceived purity or efficacy.

What it is for

The primary intent is protection against the evil eye, jinxes, and bad luck. It is used to prevent good fortune from turning sour or to ward off imagined or real bad news. In Iran, it specifically counters the fear of being jinxed. In Bulgaria, it protects against evil rather than attracting luck. It also serves a social function, demonstrating politeness and shared belief in avoiding negative talk. It acts as a psychological comfort against uncertainty.

Who does it

The practice is performed by ordinary households and individuals in daily life. It requires no special training, priesthood, or initiation. Both men and women engage in the gesture equally. It is a common folk habit passed down through generations, observed in casual conversation and significant life events. The practitioner relies on the collective cultural understanding of the gesture's power rather than personal magical ability.

Peoples and places

The custom spans many cultures, including Germanic, Celtic, Slavic, Iranian, and Latin American communities. In Bosnia, Croatia, and Serbia, it is followed by 'da kucnem u drvo'. Iranians use it to ward off evil spirits associated with the evil eye. In Brazil, three knocks are standard. Finns say 'Koputa puuta' to avoid future bad events. Indonesians and Malaysians knock on wood and their foreheads while saying 'amit-amit'. Each culture adapts the core gesture to its specific linguistic and spiritual context.

What people believe

The worldview behind knocking on wood assumes that language can attract attention from malevolent forces or fate itself. Speaking of good luck is seen as risky, potentially inviting envy or divine retribution. The gesture creates a shield against these unseen dangers. In Christian contexts, it invokes the protective power of the cross. In pagan traditions, it appeals to tree spirits. The belief holds that the physical act neutralizes the verbal risk, maintaining balance and safety.

When it is done

There are no fixed calendar dates for this practice. It occurs spontaneously whenever someone mentions good fortune, bad news, or future predictions. It is tied to moments of vulnerability or hope in daily life. For example, it is used after a successful week or when discussing health. The timing is reactive, triggered by speech rather than seasonal cycles or religious festivals. It is a constant presence in everyday communication.

How scholars and sceptics see it

Folklore researchers like Steve Roud trace the modern usage to secular games like 'Tiggy Touchwood'. Anthropologists view it as a persistent folk habit rather than a formal religion. Scholars note its adaptation across different religious frameworks, from paganism to Christianity. Sceptics regard it as a psychological coping mechanism for anxiety about the future. The widespread nature of the custom suggests a universal human desire to control unpredictable outcomes through symbolic action.

Compare and confuse

Knocking on wood is related to other protective gestures like crossing fingers or throwing salt over the left shoulder. In Italy and Catalonia, people touch iron instead of wood for similar protection. The Swedish 'pepper, pepper' combines touching wood with throwing pepper. These variations share the same intent: warding off bad luck through physical interaction with materials. The core concept remains consistent globally, even as the materials and phrases change.

Rites that involve Knocking on wood

Questions people ask about Knocking on wood

Good reading and sources

• Knocking on wood on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos and video
• Wikidata recordOpen data