Where do we start.... The adjustable sharp tipped screws that can be adjusted with the accompanying alan key, or the lock in penis plug with grooves to stretch you from inside whilst the spikes inflict discomfort and pain from the outside? This one isn't for the faint of heart...but then again your key holder might not be deterred.
Measurements
Penis Plug Length: 55mm | 2.2 Inches
Penis Plug Diameter: 7mm | 0.28 Inches
Penis Ring Diameter: 35mm | 1.4 Inches