A1: You have to pick up the barrels, carry them to the jump pad, jump up and throw them at the boss. three barrels will take him down.

A2: You have to pick up the barrels, carry them to the jump pad, jump up and throw them at the boss. three barrels will take him down. then his head will be left alone
the look back at the place where you defeat him there will be a there will be a ladder another one climb them then turn there will be a machine go to it and press triangle button there will be a screen for aiming.to aim the thing in between a screen move the right analog
stick up to go down , move it down to go up ,turn the right analog stick to the right to make it move to the right and left to make it go to the left three shots will take him down and you will be rewarded with 10 springs