We created different types of knot-tying practices on this board. There are three hooks on this trainer. You can practice various types of knot tying at various positions. You can practice deep hole knot tying with the transparent cylinder attached.

The half-purple string represents an enlarged suture. You can practice various knot tying with a clear view. There is a suture skin pad included for step-forward knot tying practice with a real suture and needle. The suture skin pad is replaceable. After numerous times of practice, you can purchase an extra replacement suture skin pad and reuse other components.