Oil Filter Opening Tool

https://www.aircraftspruce.com/pages/fb/maintenance_oilfiltercutters/oilfiltercutteraviation.php

It should work now. If not you can copy the link and paste it to the main header.

Thank you all for your excellent suggestions. I will follow up on them.

FYI - I posed the question on another forum. One response supplied a video link showing how to use common (we all have them) "tin snips" to open a spin on filter;

ttps://www.youtube.com/watch?v=zrH92W6ODy4

https://www.leadingedgeairfoils.com/oil-filter-cutter-and-kit.html

Leading Edge Air Foils part number N5198

My thanks to all respondence.