[Jay Bowles]’ Tesla coil is based on a handheld bug zapper that ... junk bin you may not even have to order the polypropylene caps [Jay] recommends. Good? That’s a relative term, of course ...

All it took was a mask, and a little treatment with a modified Tesla coil. Plastics tend to be hydrophobic, meaning their surface repels water. These plastics also tend to be non-receptive to ...