Where to Buy Guitar Grip Hero for Nintendo DS? It Doesn't Exist—You Mean Guitar Hero: On Tour

"Guitar Grip Hero" does not exist for Nintendo DS. You are likely conflating:

• Guitar Hero: On Tour (2008, DS) — Uses Guitar Grip accessory (fits GBA slot, 4 fret buttons + strum bar). Includes Guitar Hero: On Tour, Decades, Modern Hits.
• Guitar Hero (Main Series): PS2, PS3, Xbox 360, Wii, PC. Full 5-fret guitar controller.
• Rhythm Games on DS: Elite Beat Agents, Osu! Tatakae! Ouendan, Taiko no Tatsujin, DJ Max Fever, Rhythm Heaven.

Buying Guitar Hero: On Tour + Grip

1. eBay: Search "Guitar Hero On Tour DS Guitar Grip". Bundle ~$30-60. Verify grip included (often missing).
2. Local Retro Stores: Call ahead.
3. DKOldies / Lukie Games: Online retro retailers, tested, warranty.

Note: Grip only works on **DS Lite / Original DS** (GBA slot). **DSi / 3DS / 2DS lack the slot** — cannot use grip. For DSi/3DS, no Guitar Hero hardware exists.