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Step 8Sock finishing
Since I wanted to keep the electronics in the handle accessible I decided to attach the end of the sock with a friction ring.
I took a spring coil from an old beastly D-cell battery flashlight and cut off a ring from the large end spring. Using pliers I manipulated it into a ring slightly larger than the opening for the handle of the umbrella. The ring was fed inside the sock, then the excess sock is tucked inside the handle, the ring slips into the inside rim of the handle last.
The compression of the spring unwinding holds the sock in place and allows for easy access to the electronics by slipping the ring out and lifting the sock.
I took a spring coil from an old beastly D-cell battery flashlight and cut off a ring from the large end spring. Using pliers I manipulated it into a ring slightly larger than the opening for the handle of the umbrella. The ring was fed inside the sock, then the excess sock is tucked inside the handle, the ring slips into the inside rim of the handle last.
The compression of the spring unwinding holds the sock in place and allows for easy access to the electronics by slipping the ring out and lifting the sock.
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