Sometimes you can't afford to bring your bike into the shop, sometimes you just can't buy decent bicycle accessories in your country, sometimes you just have to RIDE OR DIY
https://www.redbubble.com/people/transcyclist/works/32032160-ride-or-die-round?asc=u&p=sticker
https://www.redbubble.com/people/transcyclist/works/32031542-ride-or-diy?asc=u&p=t-shirt