That's a good idea, because they may not get to throw down during the game! very important! Thank you!!!
One thing I have read, and it makes a lot of sense. Catchers need to perform a proper throw down between every inning. She might not get to show off her arm or her POP time during the game, but the college coach there to see her knows that after the last warm up pitch they will get to see the catcher throw to second. Make it a good throw, be serious about it, no goofing off, no rainbows, no stopping to say something to the ump between catching and throwing... make it a good POP.
https://lowermac14u.shutterfly.com/pictures/4253
This is what we did on our uniforms for the showcases. I saw it on some of the girls down at the South Florida camp and thought it was very good
This goes for parents too as coaches are also checking them out. My advice is minimal interaction between players and parents at the fields. Players should bring everything they need and not be looking into the stands. Spectators shouldn't coach from the stands. In a nutshell, be positive towards the whole team so strangers can't tell which kid is yours.* Coaches are looking for good players that treat their coaches and parents with respect. Carry their own bags. Help their teammates. All things said above.
Now on the Coaches side of Coaching in showcases: ...
One thing I have read, and it makes a lot of sense. Catchers need to perform a proper throw down between every inning. She might not get to show off her arm or her POP time during the game, but the college coach there to see her knows that after the last warm up pitch they will get to see the catcher throw to second. Make it a good throw, be serious about it, no goofing off, no rainbows, no stopping to say something to the ump between catching and throwing... make it a good POP.