Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet
https://privatebin.net/?a936c245b125397a#4vrMbM48eVuHiN1CtLXAZsd44q53HAW2PSgAPHbSTMt5
Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet, and weatherproof ties; install near tomatoes or squash and observe over a full season with careful notes.