Spring Chaining is a Rare Fortnite Contrail. Spring Chaining was available via the Battle Pass during Season 23 and could be unlocked on Page 8 and costs 4 Battle Stars.
How-to Get the Spring Chaining Contrail
Spring Chaining is part of Season 23. If that season is still currently in the game, you can obtain this item by purchasing and/or leveling up your Battle Pass.