Taking apart one of my favorite plunge style button locks

This is a follow up to my last video. I want to see if cleaning this Latama x Victoriam Yuuki will help with the button stick. Also want to see if I can eliminate the side-to-side blade play.

Link to the Yuuki website:

https://latama.net/pages/yuuki?srsltid=AfmBOorJf-fb9zZDkgyxK95axyUbW7u79gUBvxDr0X8Vd-oDQ0wKtCF6