Trembler used in a sentence

Trembler in a sentence as a noun

I didn't notice it as odd either but I think that's b/c I misread it as trembler...

How many sequences of knee-tremblers after pub closings get captured and "reviewed" many, many time? Clearly, the West Midlands police are reviewing the video in person, and can save and retain and post videos on the general internet.

My method as a highschooler was a free mouse trembler app, coupled with 4 rotating Geocities sites I made to auto-forwarded to each other in a loop every 45 seconds.