Post by Bob Harper Post by Bob Harper
I would think it possible to put a locking groove at the outer edge just
as there is with a normal LP. But I wouldn't want to risk an expensive
cartridge on it.
Yes, a lock groove can be cut anywhere, or in multiple locations.
I recall music instruction LPs from Silver Burdett that had a lock groove at end of each track.
In the noise genre RRR also issued an LP and a 45 like that.