I haven't figured how strapping the blocks to the back helps it move yet I have been putting the wheels under the back and lifting the dolphin striker to clear the bunks then repositioning the wheels closer to center once Im off the trailer. I know there is a better way the blocks have a bungie over the hull and would give a little just concerned about sticking or digging in the back without wheels. Today I had 10 to 15 knots of wind my boat started doing a happy dance after I removed the wheels. What a difference from the first time