1. Take him to go potty before going in. Your dog will be in a different or new environment for possibly several hours. Do him (and your groomer) a favor by letting him go potty before you get there.
2. Walk confidently with him from your car into the shop....
Read the rest printed at ModernDogMagazine.com: http://moderndogmagazine.com/articles/5-ways-help-your-dog-have-good-experience-groomer-s/85974#sthash.7OfC9xiu.dpuf