R6 is better. it helps you do many glitches.
list of glitches with R6:
wall hop
fit in something tight
flicking
ladder flicking
evuzz fling
corner clip
flat clip
/e cheer aka emote over a wall without jumping
wallhop killbrick (if u can do it)
sideways wallhop
sword fly (if the game allows 2 swords)
wall clip aka /e dance2
head gliding
and more!