How to make Blu Tack really sticky?
To get the best stick for Blu Tack, make sure your surface is clean, dry and free from dust or grease. Tear off the amount you need, then pull and stretch the Blu Tack until it’s soft and supple. The more you handle the product, the stickier and more pliable it becomes. Then, roll it into a ball, place it between the surfaces and press firmly.