Does the Mighty Mug grip well on a flat surface? This is a quick test of the Mighty Mug "Wine Glass" This Mighty Mug is a Spill-Resistant "Wine Glass" that grips onto flat surfaces when pressed from the side, but when picked straight up, releases easily. This Mighty Mug is made out of plastic to prevent breakage if it does get knocked over, it also comes with a lid to keep most of the fluids in it when it gets knocked over. Buy a Mighty Mug https://www.stuffandthings.com.au/Homewares/Water-Bottles-and-Cups Visit Our Website https://www.stuffandthings.com.au/ or Visit Us on Social Media: Instagram : https://www.instagram.com/stuffandthingsau/ Twitter : https://twitter.com/StuffNThingsAU Facebook : https://www.facebook.com/stuffandthingsonline/