Here's a tutorial of how to add an YC8 connector to your mechanical keyboard cables. Hope this helps you out!
YC8 Connector Shop Page: https://cruzctrl.gg/collections/diy-cable-parts/products/yc8-connector
My starter tools/ materials list: https://docs.google.com/spreadsheets/d/1x6TZ6gIsnryn5a-4K2vEKqVUSj48dU8ckOa_Q6DLII8/edit?usp=sharing
My cable making tutorial video (sleeving, soldering, heatshrinking): https://www.youtube.com/watch?v=GCexLMPaNqo
Cable coiling Tutorial: https://www.youtube.com/watch?v=hBUZGjgT1t0
Slideshow for YC8 Connector steps: https://docs.google.com/presentation/d/1TMu4VE0kfpRTBaFOLXVeTHaMLLWA4BLdF_ljp_CCRhw/edit?usp=sharing
IG: https://www.instagram.com/cruzctrlcables
Discord: https://discord.gg/V2r8ENp
Twitter: https://twitter.com/CruzCtrlGG
Twitch: https://www.twitch.tv/cruzctrl_tv
Web: https://cables.cruzctrl.gg