The little pins came out

When I repaired the headband, the pins came out and now I am struggling to put them back in. Is it possible to fix or I need to buy new headphones?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0