Think of it this way.
You dont know the teqnique. Your partner is resisting and not letting you attempt the technique. How will you ever learn it?
Like ben I practice jitsu and we learn all our tecqniques from punches/kicks ect using the attackers own momentumm against them. That doesnt mean on the odd occasion we do some randori I cant do anything.
- Throught compliant training I learn the techniques.
- By being attacked in training I learn to apply them against an attackers motion.
- In randori I learn how to create that motion needed for a perticular technique.
I hope that make sence.