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Guides from Sack-Ups

Straight answers to the questions we hear most, written for our own customers.

September 3, 2026 · 3 min read

Rust Never Sleeps in a Workshop Either: Protecting Hand Planes and Saws

A tool chest with the lid down traps moisture the same way a closed gun safe does. The tools inside show it first on the bare steel.

September 3, 2026 · 3 min read

Off Season Storage for the Gear That Only Comes Out Part of the Year

Gear that gets used regularly gets handled and checked. Gear put away for the season gets closed up and forgotten, and forgotten is when damage happens.

September 3, 2026 · 3 min read

Cotton Against Synthetic: What the Material Is Actually Doing in Storage

A safe keeps a gun secured and a desiccant pack manages the air. The sleeve is what actually touches the metal the entire time it is stored.

September 3, 2026 · 4 min read

How to Choose the Right Length Sack-Up for What You Own

The wrong length is the most common reason a protective sleeve stops doing its job. Here is how to match the model number to the gear.

September 3, 2026 · 4 min read

Why Firearms Rust Inside a Closed Safe (And What Actually Helps)

The door being shut is not the same thing as the inside being dry. Most rust starts on guns that never left a locked, climate-controlled safe.