electro CBT experience. 

No escape ball crusher

This  electro compression device is the ultimate in ball crushing. Designed so once setup your balls are secured between the bottom plate and two upper bars so no escape is possible. The wing nuts and bolts allow the amount of force applied to be finely adjusted.

Switch between SLOW or FAST to control the frequency of the shock, or adjust the dial to control the strength of the shock.

   Battery type: AAAX2 (1.5V) Do not include battery.
    Voltage: DC 3V
    Pulse output power : MAX 100 V/20mA
    Pulse frequency: 2-100Hz, Pulse Mode: 10 files strenth, 5 kinds of rhythm