Classic Stiletto Style OTF Knife Spring Assisted Automatic Knives Camping Hunting Hand Tools | Wish
USA Tactical Black OTF Automatic Knife And Belt Sheath – 3Cr13 Stainless Steel Blade, Carbon Fiber Handle, Pocket Clip
Here's an OTF auto knife for sale on, wait for it, Amazon. It's probably junk and I'm pretty sure it violates Amazon policy but here you go. Link is in comments. :
The Best Automatic Switchblade Knives of 2023 - Knife Life