How to collect special items in Pokémon Go Gen 2: Evolving Onix into Steelix

Pokémon Go Gen 2 special items: Introduction As part of the Gen 2 Pokémon Go update, special items have been brought in as a new way of evolving Pokémon, to be used in conjunction with berries. Handily

How How to Evolve Every Pokemon in Pokemon Go - Pokemon GO Guide - IGN

Pokémon Go - Which Pokémon Require Items to Evolve?

What is Onix's evolution chart? - Quora

Pokemon GO Gen 2 Update: How to get special items like Dragon Scale, Sun Stone, Metal Coat - Daily Star

The Best Pokemon and Items to Save for Pokemon Go's Second Generation

Everything you need to know about evolution items in Pokemon Go - CNET

Everything you need to know about evolution items in Pokemon Go - CNET

Pokemon Go Gen 2 Onix Evolution To Steelix (Metal Coat Required)

Pokémon Go - Which Pokémon Require Items to Evolve?

The Best Pokemon and Items to Save for Pokemon Go's Second Generation

Pokemon that get a new evolution in Gen 2 and how to get them : r/TheSilphRoad