Hey all, My (almost brand new) sleeping mat started losing air about a week or two into a month long backpacking trip. First I thought I might be at fault for not checking the ground thoroughly enough at one time or another (the mat was always in direct contact with the ground, no tent or similar), but a "bathtub test" revealed the holes to be all located at the seams between the segments of the mat, where sharp stones and similar objects wouldn't reach anyway. I found about a dozen small h