Been messing around with some new slider grips, the 2nd grip I learned from our ace on the team it’s quite simple and produces!
First one is pretty simple, hold it like you would with a four seem but place your index and middle finger together and slide them down to the far right(opposite if you’re lefty) side of the horseshoe:
If you can, hold the ball off center by sliding your thumb closer to underneath your top two fingers, I find it gets more break that way.
Next grip I personally have fallen in love with because of the grip it’s actually difficult to throw this pitch and not have any break. The way your fingers are positioned even if you throw it without any arm action you can, and most likely will, get some break on it:
The great thing about this grip is if you throw it like a fastball, the way your index finger is sitting on top of the seem almost forces the ball to slide, and this is even more apparent when you throw it with a little late flick of the wrist as you’re releasing.