Construction materials:
— a 3mm depron plate
— a drop of depron 6mm
— a roll of transparent packing tape width 50mm
— a roll of scotch tape, type according to your habits
— a hot glue gun
— a bottle of fast vinyl glue (white glue)
Linkage
— two horns height 10-15mm
— two linkage fittings
— a 1mm diameter piano wire