Do you NEED C Channel in a table top? | How to keep a table flat

I get asked all the time how I install C-Channel into the underside of my tabletops. Here is how and why! Check out my website for Woodworking plans, Tools I use, Merch and MORE! - https://www.walkersww.com/ C-Channel AND Rampa hardware is from - https://bidwellwoodandiron.com/ USE THE CODE WALKER FOR A DISCOUNT ON EVERYTHING SITEWIDE! (I use the Rampa SKD330 D-12 L-18 M6 inserts and the D - 20 M6 15 bolts) Bits & Bits Company Coupon code - WALKER 1/4 upcut bit - https://bitsbits.com/index.php?main_page=product_info&cPath=102_105&products_id=886 Surfacing bit - https://bitsbits.com/index.php?main_page=product_info&cPath=102_184&products_id=912 Tools and materials used in this video. (Affiliate links included) Bosch Router - https://amzn.to/2WIOJcr Narex Chisel set - https://amzn.to/39g25j7 Titebond Instant Bond Wood Adhesive - https://amzn.to/3anAbDc Makita 55-Inch Guide Rail - https://amzn.to/2QMuiHF Makita Track Clamps - https://amzn.to/2wthgIs Other things I use in the shop on a regular basis and MERCH! https://kit.co/WalkersWoodworks