Wrapping wrists or ankles together or to other objects.

It is often used in pony play to wrap metal bits to protect teeth or to wrap limbs to mimic hooves.

Vet tape is frequently used as a cheaper, more accessible alternative to specialized PVC bondage tape for various "pieces" or setups:

In the context of bondage or fetish play, (also known as vet wrap or cohesive bandage) is a popular material used for its ability to stick to itself without adhering to skin or hair. The "piece" you refer to likely describes a specific bondage setup or garment created from this material, often used for "mummification" or restrictive wrapping . Key Characteristics of Vet Tape

It can be easily unwound or cut off with bandage scissors. Common Uses in Bondage