UNI-T UT18C Probe Protector on a rubber band

The original probe protectors of the UNI-T UT18C test lamps consist of 2 hard plastic sleeves that fit into a rubber sheath (pictured) that easily punctures. The hard plastic sleeves went somewhere on day two of owning the device and the sheath was punctured a few days later and wouldn't stay on without the plastic sleeves in the first place.

I designed this to be attached to the device using a rubber band that can be cut to length, attached to the protector using a hidden knot and easily rem