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the same idea can be made without disassembeling the jack ,by removing the center rod and fixing then jack in its place ,it gets a little too bulky but this way you get to keep the jack .
make it 5 tires and wrap with someting spongy like a yoga mat to make it more like the reguler sand bunching bag
Paracord Fish Tail Bracelet
Paper rings that you can actually use everyday
PVC Ring With Stone Inlay.