I modify this method by replacing the staple by a 16mm Diameter Wire Fastener Circle Cable Clips like this one (https://www.amazon.com/ADMI-16mm-Diamete...). It fixs exactly with the good spreading.
1 - remove the metal nail
2 - with a cutter adjust the plastic clip (thickness / 2, round)
I modify this method by replacing the staple by a 16mm Diameter Wire Fastener Circle Cable Clips like this one (https://www.amazon.com/ADMI-16mm-Diamete...). It fixs exactly with the good spreading.
1 - remove the metal nail
2 - with a cutter adjust the plastic clip (thickness / 2, round)
3 - fix the 2 plastic clips with adhesive tape