![My many-years-old rain jacket has a smooth, somewhat flexible, seemingly plastic object sewn into the upper arm of the right sleeve only. What is it? : r/whatisthisthing My many-years-old rain jacket has a smooth, somewhat flexible, seemingly plastic object sewn into the upper arm of the right sleeve only. What is it? : r/whatisthisthing](https://preview.redd.it/my-many-years-old-rain-jacket-has-a-smooth-somewhat-v0-7ooen4wti8xb1.jpg?width=640&crop=smart&auto=webp&s=f526767713ac757527b15ced55bc0fcd46eac5f8)
My many-years-old rain jacket has a smooth, somewhat flexible, seemingly plastic object sewn into the upper arm of the right sleeve only. What is it? : r/whatisthisthing
![CMV: Wearing a waterproof rain coat without any other waterproof clothing is pointless : r/changemyview CMV: Wearing a waterproof rain coat without any other waterproof clothing is pointless : r/changemyview](https://upload.travelawaits.com/ta/uploads/2021/04/person-in-raincoat-taking-pho20e587-800x800.jpg)
CMV: Wearing a waterproof rain coat without any other waterproof clothing is pointless : r/changemyview
![CMV: Wearing a waterproof rain coat without any other waterproof clothing is pointless : r/changemyview CMV: Wearing a waterproof rain coat without any other waterproof clothing is pointless : r/changemyview](https://media.gq-magazine.co.uk/photos/60338db54abd0c2a6bc7211c/master/w_1920,h_1280,c_limit/Raincoats_0003_kits%20london.jpg)