In reply to CharlieMack:
Brmiham-
Charming crack
slipperry crack
Desperation crack (more offwidth)
brutaliser
snuffer
giggling crack (given e6 but lets face it you can do it or you can't!)
they are just the more famous and plenty more to try there.
also not mentioned yet is almscliffe which has many jamming classics in its bowels.
mother of all jammers would be the grond in wales for me - sheer class !