The QiYi M-2 Lube is a silicone based lube specially designed by QiYi Mofangge. It is suitable for slowing down puzzles. Apply lubricant at the torpedo area of the puzzle to obtain optimal effect. Silicone based lube can last longer and does not dries out easily. How To Use: Apply lubricant at the torpedo area of the puzzle to obtain optimal effect Disclaimer: Although the lube is perfectly safe to touch, please do not ingest it