PROBLEM
The knife tool’s modal map contains on/off commands for midpoint snaps and for ignoring snaps, but not for toggling midpoint snaps and ignoring snaps. This means, alphanumerical keys cannot be used to turn snaps on and off, instead, buttons have to be continuously pressed down or two buttons need to be used to activate/deactivate snaps.
SOLUTION
If toggles were to be added for “midpoint snaps on/off” and “ignore snaps on/off”, users would only have to press a button once to activate snaps, which is easier to use for multiple consecutive snaps. It would also be more in-line with some of the other tools that have snap input and enhance customisability.