The picture of the rifle barrel with the electrical tape on it, is common among Alaskans. They will wrap the barrel several times with tape and then use the tape to cover the muzzle against water and debris.
It is a small tape dispenser…
Of course, everyone reading here knows about taping your muzzle
to prevent obstruction of barrel whether by snow, mud, or dirt dauber, etc.
The point of the illustration is that the tape can disguise a slimline muzzle brake,
until the rifle is fired once,
for those who are not proud of being caught with a brake on a .375 H&H.
