Getting the dart shaped ones inside the panels isn't a starter due to space but I do have some of those clamps with two separate magnets joined by bars held by wing nuts. Just thought I'd ask in case somebody has some superior technique.Magnetic clamps?
Yes, I have 2 similar items not Lidl though.
Yes like the look of them.https://www.stakesys.co.uk/stronghand-mft10-magtab-welding-aid-2069
These should be small enough for you.