Pressure Plate LED Coasters! 10 Comments . by: James Hobson. September 24, 2016. Title: ... After one or two flashes my cup would be going onto the table next to the coaster, ...

Just to let you know, if you buy something featured here, Mashable might earn an affiliate commission. Coasters: those things that have been sitting on the table for years that we somehow always ...

Buy LIFVER Drink Coasters with Holder $15.99. 2. Handmade Round Slate Stone Coaster. These natural slate coasters offer a sturdy base for any drink and a rustic style that’ll look great in any room.