Squeeze Banana Stress Relief Toy by Toysmith. Wanna Tie A Banana In A Knot? It’s a proven stress reliever, banana knotting, and you can participate with our mega-squishy stress banana. Measures 6” long but will stretch to a couple feet. Filled with stress-relieving gel beads, and will take a good long time to return to its original banana shape, which just adds to your relief.