Stretchy Spring is an item in the “Loot” category (Items). It costs ₽20.
In-game descriptions
| Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | A thin small spring. It’s totally stretched out, and what it’s used for is unknown. |
|---|
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h