+1 on that.. I work alone, so it is extra crucial to be safe with some 500 to 1200 lb. thing up in the air. I also use one of those mechanic's neoprene foam pads that are available (Snap-On, Matco, MAC, Cornwell,etc.,) because my knees are getting grumpy. I call my foam pad my "Norwegian Creeper". 'nuf said...:ashamed::laughing:
