strap somebody/something + adv./prep. to fasten somebody/something in place using a strap or straps
He strapped the knife to his leg.
Everything had to be strapped down to stop it from sliding around.
Are you strapped in (= wearing a seat belt in a car, plane, etc.)?
fasten [transitive, intransitive] to close or join together the two parts of something; to become closed or joined together SYNONYM do up
fasten something Fasten your seat belts, please.
Emma shivered and fastened the top button of her coat.
fasten something up He fastened up his coat and hurried out.
fasten (something) with something The garment is fastened with a sash.
fasten + adv./prep. The dress fastens at the back.
a short yellow skirt which fastens up the side.
The gown fastens down the front with Velcro.
After you fold your umbrella, you see a strap on the canopy as shown in this picture
Then, we have to "strap or fasten the canopy so that the umbrella won't unfold" as shown in the below picture
What is the generic way to express it?
can we say "you need to strap or fasten the canopy after folding the umbrella so that it won't unfold"?