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MAKE reader John Mangan (siliconghost) wrote in to share a nifty simple trick with us: you can remove dried hot glue with isopropyl alcohol and cotton swabs. He writes: “I literally stumbled on this while working with hot glue over 20 years ago at a previous job. It ended up being a ‘major discovery’ for how we conducted our ‘re-work’ on defective parts.” He made this video demonstration to share the knowledge. We also love how he has the cotton swap container attached to the alcohol bottle.