diy lighted arrow nock

Hey I have some pictures of my finished nock. The nock in the picture is tne entire nock there is nothing glued or pressed into the arrow. It can be moved to anyone if my arrows without any changes and can be easily removed and replaced with a regular nock without any changes. also can be turned...

I tried to make some of the lighted arrow nocks like posted on here and the youtube video. The designs I seen have left a lot to be desired. I tried the one with the part of a nock glued to the back of the battery and if you dont get them in just right and have to turn them you wreck the light...