I wanted to try this project after seeing the one here http://m.instructables.com/member/Stormdrane So I popped a piece of PVC on a carabiner and started to wrap it like Stomdrane did on the link above. I apparently do not have the patience for that so I decided to start over and make sides on my spool to keep the paracord on instead of the the cross pattern. So I gathered my parts, I made 2 but for one you need a carabiner 2) 1/2x2 sch40 slip reducer bushings (the 2" side may need to be smaller depending on your carabiner, I used a large cheap one from Harbor Freight) 4" of 1/2" sch40 PVC pipe (again depends on carabiner) elec tape & PVC glue.
Step 1: Cut bushings
The first thing you need to do is cut the bushing with a cut off wheel on a grinder (hold the bushing in a vice so you don't cut off a finger or two!!!! There are many different brands of PVC fittings I used Spears because that's the brand we sell where I work. So on one like I used you cut the hex shaped top off the round part we are going to use the hex so clean it up a bit to get all the burrs off.
Step 2: Cut & split pipe
Next the PVC pipe. Cut it to 4" or the length you need for your carabiner. Put it in a vice and split it in half ON ONE SIDE ONLY using your grinder with the cut off wheel.
Step 3: Start assembly
Next put the carabiner in the vice to hold it while you put the pipe on. I used a flat screw driver to open one end and start it,as you get it further on you will need to move the screw driver a couple times to open it up where needed. In this step you also can slide the ends unto the carabiner you want to put them on so the top of the original bushing is pointing in to the center of the spool.