Opening an old quick link is no brainer you can basically do it with you hands, but when it comes to a new one, maybe 12 speed, you're going to need some simple things, in order to remove the chain from your bicycle.
organic food I use once a day
https://bertrand.bio/
our cycling forum
https://szajbajk.com/2QbxauJ
our Facebook group
/ sickbiker