Have you ever neglected to change the back o-rings on your electronics enclosure because the thought of sliding those greasy rings over your immaculately organised electronics is too much to bear? Well friend I have a tool for you.
Presenting the O-ring sled.
Use your trusty o-ring pick to slide the o-rings onto the sled.
If you live in South Africa, click on my name(above) and send me a message. There is a good chance I will send you one