OTT (over the top,) bands are pulled over the top of forks and ammo passes over the forks.
TTF (through the forks) bands are tied to the side of the forks, ammo passes through the forks
PFS (pickle fork shooter) catty with no cup section, only a small gap to allow band attachment, bands pulled over the top of forks, catty is then flicked forward just after pouch is released to the make ammo pass over the forks and not straight into your hand!!
Pouch can also be twisted 90 degrees before release, this then makes the ammo fly up and over the forks,
BANDS ( flat latex bands cut to various w