how to smooth rough silicone RPF Costume and Prop Maker Community

I am trying my hand at this silicone baby stuff for the first time ever. Its going ok except I am learning on my own and mostly guessing. I have completed my molds and made the body parts and some of them are rough and some have airbubbles. To fix the rough parts, I have seen people use

Spaceballs Dark Helmet RPF Costume and Prop Maker Community

lost boys MARKO jacket replica!, Page 34

7,671 20th Anniversary Banner Images, Stock Photos, 3D, 58% OFF

Build: Greedo Killer: Accurized Denix

Bulldog Props M38 & M19 Resin Scope Project

Rogue One Rebel Soldier Helmet, Page 8

Mando Armorer Helmet refinished using Nail Polish Powder!

Thor Movie Costume RPF Costume and Prop Maker Community

Darkening a silicone mask? RPF Costume and Prop Maker Community

My first 3D printed Prop replica (DL-44)

GB2 Proton Pack Build -LOT OF PICTURES

Rainfell Keyblade (casting something large with clear resin?)