DTR maintenance and durability testing.
DTR cleaning
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DTR dishwasher
DTR stock
Cleaning :
Normally I just wash my DTR with dish soap and water when finished using it for the day. Using a small amount of dish soap then rinsing until the gripper feels squeaky clean. Do not use hand soap or body wash these contain lotions or moisturizes which will cause the gripper to slip.

No other cleaning is required, Just remember when cleaning don't use anything that would harm your skin, like bleach and strong cleaning chemicals. This would be overkill anyway and not necessary to maintain the DTR.
The DTR is dishwasher safe , good luck on trying to convince your family that you're going to wash your foreskin restoration device with the rest of the dishes..
Use dish soap that does not contain moisturizers to keep your DTR gripping like new.
DTR screw
About the only thing on a DTR that could accidentally break is the nylon screws. This could happen if the DTR is dropped just right and lands on the screw head. Although this is a rare occurrence it could happen.To remove the screw I use a small drill bit on the opposite side of where the broken screw is.
Use a small enough drillbit so that you're not going to drill the threads on the opposite side of the broken screw. As the drillbit turns clockwise it will unscrew the broken nylon screw on the other end.
If for any reason you would rather have me extract the screw I will do this for free and send the DTR Bell back to you also for free. All you would have to do is pay the shipping to get the DTR Bell to me.
Extracting a broken nylon screw
Do not confuse nylon with cheap plastic. A DTR is made from non toxic nylon. Machined on a lathe by hand one at a time.
 This nylon is very durable and safe.

Click video screen to play in new window ( you can save the video also )
To show just how strong a DTR is. I ran it over back and forth with my SUV then dropped a 10lb dumbbell from over a foot onto it for good measure.