Recently received my keychain in the mail. If anyone is interested they sell all 5 けいおんぶ (keionbu) on Etsy. Do take in to consideration they take about a month to arrive. :
BT21 SHOOKY BABY K-Edition Tassel Keyring - LINE FRIENDS_US
Aspire to Inspire Crafts, LLC | "K" Resin Keychain
Saiki Kusuo Keychain Anime Acrylic Keychain Collectible Disastrous Life of Saiki-K Keychain for Kids Girls Boys at Amazon Men's Clothing store
Amazon.com: EBTY DREAMS Inc. - Set of 3 K-On Acrylic Keychain Azusa Nakano, Ritsu Tainaka, Tsumugi Kotobuki v1 : Clothing, Shoes & Jewelry
Japan Sanrio Acrylic Keychain - Cinnamoroll & Milk / Letter K | Kawaii Limited
K-ON Character Figure Keychain 5 Pieces Set (In-stock) – Gacha Hobbies
Resin Glittering Letter Keychain, Color Stitching Stitching Flowing Soverell, Purple Drop Glue English Character Key Chain Christmas Garland Decorations Flower Strings Curtain - Walmart.com
i did k-on keychains with hot glue! : r/k_on
k-on keychains Free 3D Print Model in Keychains 3DExport
K-on Maid keychain set | Request Details
Actar's Reviews 234 – K-On! Movie Exclusive けいおんぶ Keychains | Actar's Otaku Life