Allows cyano to bond difficult shiny plastics and foam. Surface primer for EPP, EPO, acetals, fluorinated rubbers, silicones, polythene and polypropylene. Increases the versatility of cyano as a glue and improves strength. Simply brush Tricky Stick onto shiny surface(s) and allow to dry. Apply your favourite cyano glue (eg. Roket) to one surface and quickly bring joint together holding lightly until set.