OK, at the risk of really looking stupid.
I bought a Snowbee landing net the other day after asking here for everyones recommendations and really pleased with it.
Also bought a magnetic net holder off e-bay which is really powerful, but here's the stupid question, where do I fit the extension cord that came with the magnets.
OK, ready for the howls of derision now.
Top Conker

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Used to be an angry young man, now I'm an angry old man.

You can bomb people into pieces but you cant bomb them into peace.

Probably best place is somewhere that won't restrict your use of the net when you are using it to net a fish so probably a waistband but remember to attach it to whatever side is appropriate for the hand you'll be using .

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Previously known as molley
and
Don't call me "mate" .

For a hand net the magnet goes on the top of the hoop, to attach the net between your shoulder blades, with the handle swinging down.

The elastic extension attaches to the handle and then to your waist on the same side as your net hand.

Job done.