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Add some classy design, DIY flair and a damn cool pair of bookshelf speakers to your home with Cinder Speakers. Designed by Daniel Ballou (who was also responsible for those desktop ceramic cargo containers) to leverage the low resonance and vibration reducing properties of concrete without having to worry about its weight and lack of portability, Cinder Speakers turn any cinder blocks into speakers worthy of display. The system uses a front and rear fascia that’s pre-wired, pre-assembled and sandwiches your cinder blocks inside with bolts. The front of the speaker includes a 5” driver, tweeter, crossover and input jack while the back seals the enclosure. Cinder Speakers are in the fine-tuning stage, so you still have some time to find some free cinder blocks.

Cool Materials Ballistipac Image

If you thought you had a backpack that did it all, you’ve obviously never seen the Byrna Ballistipac. The Byrna Ballistipac is a bulletproof backpack that provides peace of mind and added protection in emergency situations. With its selection of armored panels, the Ballistipac can shield against bullets and other projectiles, making it a valuable tool for survival in dangerous and otherwise life-threatening situations. Oh yeah, and it works as a backpack too so you can carry all your essential survival gear and daily essentials. Upgrade your personal security with the Byrna Ballistipac today.