: Extreme modders on Reddit have been known to "reduce" their hardware literally—chopping mice in half or removing scroll wheels to drop weights from 40g to as low as 27g.
: To reduce input delay, experts recommend switching to a USB 2.0 port to avoid the signal noise often generated by 3.0 ports. Pest Prevention: Reducing Rodents How To Reduce Mouse
: Mastering shortcuts can almost entirely replace the mouse for repetitive tasks. : Extreme modders on Reddit have been known
: Use steel wool and caulk to plug holes around pipes and utilities. : Use steel wool and caulk to plug
Users often find that simple environmental changes are the most effective for reducing digital mouse "jitter" or lag.
Are you looking to reduce a like sensitivity, or are you trying to physically modify your hardware? How to Make a Mouse Completely Silent - Instructables
: Loud mechanical clicks can be dampened by adding internal foam to the shell or lubing the switches. For a total "reduction" of sound, users on Instructables suggest flipping the internal microswitch, though this sacrifices tactile feedback.