TMI but anyone know how I could...

Tighten my vagina (inside) ? I’ve heard of Keegels I think it’s called? But I’ve never tried to do them bc I don’t know how to, what position to get into, how to do it correctly etc. I’ve tried googling it, but can’t find how to do it 🤨 is it even effective? Or anything else BESIDES that? Any tips or products

Anyone got any tips & things to help?! Thanks! 💕💕💕💕💕💕🥵😋😋