Trying to work on my arch. 70kg felt easy so gonna up the weight

Struggling to increase my bench. Could I be doing something better?

Advice on form? Never done a pin press before so just wanna make sure I’m doing it right

Want to post some cool shit on my story over the weekend gassing you boys up, everyone drop a cool win they got this week, whether its a PB, all time weight goal, routine change etc. go nuts