If you've ever had to break the bead from the rim on a tubeless tire in order to insert a tube while on the road you'll certainly appreciate the Dynaplug Pill. Several weeks after receiving the Dynaplug I had the opportunity to use it and can attest that it works as advertised. The repaired tire is still on the rim, plug and all. I was fortunate that not much air had yet escaped from the punctured tire but the sealant wasn't stopping the leak. It takes a bit of pressure to insert the plug but once inserted - no more leak. The Dynaplug Pill seems expensive until the cost of a new tire is factored into the equation, and it contains extra plugs to make multiple repairs. The product is small, taking up little room in the jersey pocket or saddle bag. If you're riding tubeless tires this a product you should consider.