(1) I'd been hoping there might be a knothole on the inside wall that would give me a view down over the classroom.(2) I placed my foot onto one of the knotholes on the trunk and hoisted myself up.(3) Discreet knotholes in the wood provided excellent openings for eavesdropping.(4) I could clearly see the bark, knotholes , even trunk rings in the petrified stumps - an indication of the growth of the trees in spring and summer.(5) Somehow, it reminds me of when I was a kid, sitting in church, bored, staring at the pine wood ceiling, counting or looking for patterns in the knotholes .