This assistive device makes it easier to manipulate a handle, lock or stove knob. The grip becomes larger, which means less force is needed to open, close, or twist. The universal knob is designed to fit various shapes and sizes of knob or handle. The small points shape and adapt to the object to be handled.
This model is called “Stift”.
E.g. Swereco, www.swereco.se (last checked May 2017)
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This tip is from 2005