Everyone who works with the Lomo tanks probably knows the problem of film jamming and improper winding, often leading to double layers, which then do not get developed properly.
Using a turntable has been mentioned many times as a valuable help against these problems, since its much more uniform rotation makes it possible to easily load the Lomo reel within a few seconds.
Unfortunately, a record player is big and bulky, and the preferred ones with a heavy turntable are also very heavy. After my arms fell off in my very small darkroom, I grabbed the router and found a solution that could be implemented within a few minutes.
If I need the space for development trays or other equipment, turntable and bearing are easily stored in a drawer.
The turntable bearing has another very practical use, as you can hold it perfectly comfortably with one hand: