These really do work.. the lugs do not losen up.. the drum stays in tune...
they are great!! Carmine Appice
We use Canopus Bolt Tight on all our drums because they eliminate detentioning of the heads. Simple & highly effective. Chris Brady (Brady Drums)
If you want the warmest sound for your snare, you got to get the Canopus Bolt Tight. For the most sensitivity, Bolt Tights are the one. Clarence Penn
Bolt Tight will improve the ease of tuning and sound of any drum plus eep your tension rods tihts. Paul Jonason
If you like a solution for a great drum tuning, then use Canopus Bolt Tight. Uli Frost
Bolt Tight washers are a brilliant addition to any drum. They create an almost hydraulic feel to the tension rods and make tuning the drums a pleasure. Bolt Tight = good stuff. Eric White (SIR New York)
I am always confident that "Bolt Tight" will keep my tension rods from loosening and de-tuning while giving me a deeper tone from my drums. Frankie Banali (Quiet Riot)
Bolt Tight is a great product. We find it really keeps drums in tune whilst still allowing you to tension any bolt at any time David Sleishman (Sleishman Drums)
I've just opened one package of BT-40 for me with the red locks and used them and I'm really amazed!! What an amazing product!! I always had some problems with the two screws that are on each side of my bassdrum where the pedal attaches. Well, I used the two red lock on each screw and YES, no more problems this last two shows I've had! Pipo Teixeira
Red Locks assures me that no matter how hard I hit or how long I play, they keep my "Metal Health" drum sound in tune all night long! Frankie Banali (Quiet Riot)