Resin makes it quite 'final'... no fixing, just chopping of... I could think of (ver) small clear glass beads... because of the whole in them and their shape, they will disperse the light in all directions... If you are afraid that the jar will fall off because the cork drying out, you still can use some glue... just make sure there is enough glue to create an interlocking bead inside / wider than the opening.... beads make though only sense when the jars are small ~:(
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Resin makes it quite 'final'... no fixing, just chopping of... I could think of (ver) small clear glass beads... because of the whole in them and their shape, they will disperse the light in all directions... If you are afraid that the jar will fall off because the cork drying out, you still can use some glue... just make sure there is enough glue to create an interlocking bead inside / wider than the opening.... beads make though only sense when the jars are small ~:(