It's called a butterfly mechanism because Even I faced problems with the Butterfly Keyboard on my MacBook Pro 2017 edition. It was Ctrl+5 and Ctrl+Clear (Numeric keyboard 5).
Moreover, the option to reassign the shortcut keys was very deeply hidden, hard for the average user to find it by themselves (couldn't find it either Even more pathetic was the default shortcut key for Select All (usually Ctrl+A).so with a relatively small amount of wear in the bushings, the keys could come close enough to each other for the plastic covers to touch and cause clicking. However, this keyboard had plastic key coverings known as 'sideskirts' which cover not only the Top of the key but the sides as well.Stop Keyboard Keys Functioning also help web designers to make some noise with there on page work like for touch screens.
Stop Keyboard Keys Functioning is a best function to secure your web pages from noob content copier.