Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet
https://privatebin.net/?e6ceb2fa9fa39ed2#GeAGKGXc5Q9q1pcC7aUwdjxe9M8wXcP58JRvVntxW5PR
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.