Another "less damaging" strum technique is to not hold your hand (and the pick) rigidly at right angles to the strings (even with only a 1/$' sticking out), but rather rotate the wrist and the "attack angle" of the pick so that it hits the strings at an angle: \ or / not |
Play slower - don't necessarily try to keep up with a bunch of speed deamons. Develop your speed in your own time, don't be pushed. Better to play slower and correctly than fast and sloppy...

the oldest and most secretive association of dulcimer practitioners in the world. The group meets in odd (naturally) numbered years on October 31st, at the Gazebo in Sleepy Hollow...