The belts were a great idea, the design worked on paper, but two things were incredibly problematic. #1 The elasticity of the thin silicone was such that any movement disturbed the IR. (Inside-out tracing) #2 Silicone only sticks to special silicone adhesives that contain harsh solvents, making the front cover more likely to slip (and peel). Straps or silicone velcro would be ideal.
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