I recently started using a new testosterone suspension as part of my pre workout. I've been happy with my performance on it, but have run into a prob. The susp is a little chunky and ocasionally the pin gets clogged. I can usually pull the plunger back, breaking the clog, and and then resume the injection. On two occasions I couldn't break the clog so tried to apply firm pressure and just push it out. Both times the clog broke loose rapidly and I ended up blasting the remainder of the dose into the sight at warp speed. Now I have hard knots in both locations that have been there for a week. They have no heat and no pain.....just two hard lumps sticking out of the muscle. Anyone dealt with this or have any ideas?