Bondage Weights

This character is involved in sexual activities involving the use of bondage weights.

Bondage weights are weights that gets attached to different body parts or devices (like clamps, shackles, etc...) to emphasize the pain or pleasure of the wearer.
Common examples are bondage weights used to apply more pressure against objects (wooden horse for example) or used to stretch nipples or balls.

Bondage weights used to apply pressure against objects:
NSFW Example 1, NSFW Example 2

Bondage weights used to stretch body parts:
NSFW Tits Example, NSFW Balls Example