They all went to the back where all the junk cars were kept to be used for scrap and spare part. When Dean was presented a knife by Sam, the older's brows frowned before sighing. Guess he was doing this when it was Sam's idea. Taking the knife, Dean looked to Evie to see that she had backed up. "This is where we start that training we were talking about Evie. You're starting out with how to use a knife. Daggers work just as good. Angels and demons are well known for carrying something similar. You'll be able to disarm them and maybe even use it against them." Dean explained to her. 

"We'll start with learning how to disarm and many different ways. We'll work through the movements before then working through the movements more faster as we go. Make it second nature." Bobby explained. "They both will show you a demonstration then Sam with instruct you through it."