Went for a ride the other day and got a pinch flat before I even got to the trail. So I patched it with preglued, but I got some grease off my hands on the patch so it didn't hold. Then I sent my friend back for a spare tube, BUT he got a pinch flat on the way back! That kinda spoiled the trip.
Anyhow, the question is, do you guys carry glueless patches, glueable patches or a spare tube with you when you ride, or do you trust the mountain bike angels, and do you have any wisdom to offer regarding your choice?