Every move, connection could potentially be a starting point for unseen and unwanted events. Most actions are often made with certain purposes, planned outcome in mind. Deviation from planned events means losing control and might be dangerous. So even smallest connection to another creature might be a threat as others cannot be totally controlled.
Different objects can be used to act between people and make connections safer as objects are meant to be controlled by people. Although, when the objects fail this, everything could turn worse.

embroidery with a sewing/machine on a water soluble material.. ~150*270 cm