Answer :
Final answer:
Add 'meaning they touch the snow only in the middle of the board' to clarify the sentence about rocker snowboards and their benefits.
Explanation:
The phrase the writer should put in the sentence to make it more clear is: meaning they touch the snow only in the middle of the board. This addition clarifies the unique design of rocker snowboards with a banana shape that minimizes catching edges.
Learn more about snowboarding technology here:
https://brainly.com/question/44207178