just got to add my 2c worth.
good luck trying to keep these alcohol powered morons off your tracks -they seen like the type that sop up abuse and only become more determined to kcuf things up.

If you know its the guys from the shop your club members should go to the shop during their busiest time and talk directly to their perspective customers and tell them that another shop is cheaper-ie screw up their sales-then they may get the message.