I was under a house the other week and I hated it because if I forgot something me or my helper would havee to crawl back out and get it. I may try to make me a small box to which a rope could be tied on each end. When I go under I can drag a rope with me, then I can pull it in. If I need something else the helper outside can pull the rope and place it in the box so I can drag it back under. may be pretty cool tool!