I don,thave pic,s but used to fish somethat I made out of 1 IN black water pipe. 2 ft, piece with hose barb t. bend around into circle and insert t to form circle, cut a straicht piece about a ft long and insert on T. you can move t up or down for right height. drill hole in end and tie on yo,yo. Might have to pull out some line and cut of so you have enough tension on spring to set hook. also can take water pipe insulation and put a couple of 6in pices to increase flotation. they will float around just like jug fishing. What I like about this rig is if you are fishing where you have short stickups you just set it down over stickup and they can,t run away with it. caught lots of fish and lots fun. I would caution you to check regs locally because I would think they would be treated same as jugs.
Proud Member of Team Geezer
Charlie Weaver USN/ENC 1965-1979