Shotshell primer perimeter alarm system with Kevlar tripwire and my added touch, a modified junction box for weather housing and holes to feed vines or camouflage netting through. : r/Survival

Fith Ops™ Perimeter Camp Safe™ (209 Primer Only) Trip Alarm

Shotshell primer perimeter alarm system with Kevlar tripwire and

Perimeter Defense 209 Trip Wire Alarm Tactical

Perimeter Trip Alarm, 12 Gauge Trip Wire Perimeter

12ga. Camping Trip Alarms - Unusual shell loads!

12ga. Camping Trip Alarms - Unusual shell loads!

Perimeter Trip Alarm,12 Gauge Camp Trip Wire Alarm Device Early

Perimeter Trip Alarm, 12 Gauge Trip Wire Perimeter

Trip Alarm Co – Perimeter Alarm & Trip Alarms

homfanseec Perimeter Trip Alarm, 12 Gauge Camping Trip

12ga. Camping Trip Alarms - Unusual shell loads!

12ga. Camping Trip Alarms - Unusual shell loads!

Perimeter Trip Alarm, Camping Trip Wire Alarm Device