This simulator is different version of “ACSEL 1020 Vee Belt Jamming Accident Simulator” which has chain instead of Vee belt.
You can learn the shock of jamming by inserting a disposable wooden chopstics.
Device Overview

Voltage | AC100V |
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Outside dimension | W700×D400×H1,140(mm) |
Weight | Approx. 150kg |
Accident Type Jamming Accident