Not yet a purchasable reality, the Hold On Tight Shelf combines a minimal beech wood bookshelf with a playful powder-coated aluminium block and accompanying oversized wingnut. Slide the block along the track into place, tighten the wingnut, and voilà, an infallible bookend plus earthquake-proof books.

Help make it happen by voting (takes 3 seconds) at Dwell – $TBA. [source]