Has anyone noticed a decline in the quality of Pro-Mark sticks. I've been using the same sticks for years (the japan oak) and I bought them mainly because they were very durable. But my last couple pairs have broken very quickly though. I've had tips split on nearly all of my recent pairs within a few hours of playing. Then today I was using a brand new pair and broke it after only 30 min of playing. I don't think it's me because I never used to break sticks this frequently, and I don't think I hit extremely hard. Anyone else notice their pro-marks breaking more recently? Now that I think of it I think it started around the time they change their sleeves.