After developing my idea further i decided to change the materials i was using. Insted of pen and paper i moved to clay and wire. The most obvious problem with this is that clay is much heavier then paper so way more difficult to attach to a tree (especially in gale forse winds, with people walking past you thinking your mad for sticking clay to trees in the first place, and i was indeed asked "Are you trying to stick the tree back togetheror something? it looks fine") The second problem was that the clay might begin to dry in the wind and become impossible to remove from the tree in one piece. These problems were solved by placing cling film along the back of the piece of clay, and using A LOT of tape along the back to help keep it stuck to the tree.
At first i used two pieces of thick wire bent in a "C" Shape
Then used thin wire bent into a claw shape.
I then got the idea to use a sisccors, which worked well but wasnt the smartest idea, as its very hard to cut the tape off the tree, when your siccors is the thing stuck on the branch.
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The contraption below is using all the wire from the previous experiments.
These were all left for just under two hours.
When i took the clay from the trees i trimmed off the edges where no marks had been made and this is what they looked like.
Mixture of thin and thick wire.
Two "c" shaped wire pieces.
Thin wire
(said comment was shortly followed by this,
"@poulsontheprick Living up to your name I see."