Originally Posted by cknobman
This is partially wrong. I have a klippermate (got it last year) and it came with a lock pin. I had no trouble stringing the exact racquet OP is asking about.
Yep, my Klippermate I bought about 2 years ago has a lock pin also.
3.5 player. Equipment: Prince Original Graphite OS, Tourna Big Hitter Blue