Convex tilting / Convex tilting

When using a toothpaste squeezing device, it generally cannot squeeze the
last remnants of toothpaste out at the end. This device has protrusions on the
toothpaste squeezing device to allow the toothpaste to be squeezed out more easily.
To use, the two sides of the toothpaste squeezing device have two protrusions to
allow for easier pushing while squeezing the toothpaste.