Speaker 1: Here at our test course, let's first go into our slalom. This is going to show side to side action, such as going around corners or your basic maneuvering.Then onto our solid speed bumps, this is going to show an up and down actions, such as pulling in and out of the driveway or out of a parking lot.And then finally, onto our alternating speed bumps, this is going to show a… see more >