The phrase "allow it to stretch" is correct and usable in written English.
You can use it when referring to giving permission for something to expand or extend, whether physically or metaphorically.
Example: "To achieve the desired shape, you must allow it to stretch for a few minutes before using it."
Alternatives: "let it expand" or "permit it to elongate."
I picked it up and it deposited a blood red liquid over my hands – the substance which would normally allow it to stretch out its new wings and fly.
Jeffrey B. Cohen, deputy general counsel for the pension agency, said the airline had not explored asking the Internal Revenue Service for a waiver that would allow it to stretch out its pension obligations over a number of years.
Rigid casings will make the antenna more solid and rubber ones will allow it to stretch like an elastic band.
Dr. Macchiarini estimated that she might need a new one in four years, but said his team tried to delay a replacement for as long as possible by oversizing the implant and including some biodegradable plastic, which may allow it to stretch.
And United sought a waiver a year ago that would have allowed it to stretch out overdue pension liabilities.
The newly formed cuticle is soft, which allows it to stretch and expand to accommodate the increased body size and changed body shape.
It is the highest USP class IV biocompatible polymer for implementation, and thus biofouling is expected to be minimal for parylene C. It has excellent mechanical properties that allow it to be stretched up to 200% (Zheng et al. 2007).
The soft and stretch abilities of the sensor allow it to attach firmly on the finger joint.
The revolutionary band of interlocking links allows it to be stretched and slid over the hand, providing for one-size-fits-all functionality.
It makes novel use of fluorescent labels that allows it to read long stretches of DNA fragments, base by base, quickly and efficiently.
Hydrating creams and lotions infuse moisture back into your skin, allowing it to free itself of stretch marks more readily.
