Step 1:
Peel the carrots and cut into 8cm lengths. Trim 1 side and turn to lie flat. Repeat 3 more times to trim the remaining sides.
Step 2:
Carefully cut 1 trimmed carrot piece lengthways into 2-4mm thick slices. Arrange the carrot slices in a stack.
Step 3:
Carefully slice the carrot stack lengthways into matchsticks. Repeat with the remaining carrot pieces.