Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet
https://privatebin.net/?e3789db6d2e13ea1#CmJaWkWUZsTnBb21nX7ji5tW8T1tMtskvmnzaSM5ebNh
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.