Here's a video where a coach talks about why he has his young players do self-toss hitting. I agree with him on its value.

Using wall traps and similar approaches is something coaches sometimes do to train hand contact, but they're of extremely limited value.

If the number of wrist snap videos on my feed are any indication, volleyball coaches spend far too much time on that.

Players struggling to do what you've been working on in drills once they get into game? Here are some ways to address that.