say you are doing a really hard link, most likely cr.LP to cr.MK or something, You can perform it like:
cr.LP, cr.MK~cr.LK, where ~ denotes a roll from cr.MK to cr.LK
The input display in training model should show:
d+MK+LK
d+MK
d+LP
It essentially let's you hit MK twice much faster than...