Allen from ToneRite here - creators of the well-known play-in device. We just wanted to introduce our latest invention - the Humidor Endpin! Our endpin humidifies your instrument from the inside out! The endpin is constructed from titanium and has a stainless steel removable tip. It comes with lifetime warranty and tip sharpening. Below is our press release that was featured in this month's Strad Magazine. Let me know if you guys have any questions and feel free to check our website for more details.