Blindsided is a story mission in given by Borderlands 2 Claptrap in Windshear Waste.
Retrieve Claptrap's eye
Dig out Claptrap
Defeat Knuckle Dragger
Find Sir Hammerlock
Find new gear
Claptrap leads the way to
Knuckle Dragger in an icy box canyon. Knuckle Dragger behaves like most other Bullymongs, leaping about and hurling rocks, although once reduced to half health she retreats and a wave of Monglets attack. Once killed, she drops Claptrap's eye.
When Claptrap's eye is retrieved from the dead Bullymong, Claptrap leads the way to
Liar's Berg and Sir Hammerlock.
"Knuckle Dragger is dead, and you got Claptrap's eye back! Now you just need to find someone to reinstall it for him."
Turn In: Claptrap
Text of Claptrap's Eye Item: Claptrap uses it to see stuff.
Borderlands 2 Missions
Arid Nexus - Badlands Arid Nexus - Boneyard Bloodshot Stronghold Caustic Caverns The Dust Eridium Blight The Fridge Frostburn Canyon Fink's Slaughter House The Highlands Lynchwood Opportunity Ore Chasm Sanctuary Hole Sanctuary Sawtooth Cauldron Southern Shelf Southern Shelf - Bay Terramorphous Peak Thousand Cuts Three Horns - Divide Three Horns - Valley Tundra Express Wildlife Exploitation Preserve