Joining the clan (not just the group) will provide in game content and bonuses, including clan title on your emblem and call sign in pvp next to your name. To join the clan you must log into Bungie.net using a web browser (not the app). Select groups in the sidebar menu, click onto Sky Dwellers group to access group page. Once you have accessed the group page, under the Clan Name in-between the "Interact" and the "About" tabs will be a tab saying Set As PlayStation Clan- click this and I will approve your admission to the clan. Log in and enjoy the extra content.