I've posted photos of this cache to the CCC thread before, but here are step-by-step photos of its construction. I wrapped eucalyptus bark around the wide-mouth bottle because that's what I had available. Whatever trees shed thin, flexible pieces of bark in your area will work just fine.   Step 0: a wide-mouth bottle & a slice of a branch   Step 1: tape, washers, screws, & slice of a branch   Step 2: taping the slice of a branch to the bottle   Step 3: gluing bark to the bo