So, I know this is a fairly popular one. If you already have a dog that knows this trick...use the other dog! If all your dogs know it, put a variation on it ie. crawling away from you or crawling for a really long distance.
Phew! That took much longer than it needed to! I have been pretty lazy lately and have not been doing much at-home training sessions :-( Well, without further adieu here is 7 closing himself in his crate!... Next challenge will be posted shortly, I just need to think of it first! :-)