The phrase "a trick that allows" is correct and usable in written English.
It can be used when describing a method or technique that enables a specific action or outcome.
Example: "This is a trick that allows you to solve complex puzzles more efficiently."
Alternatives: "a method that enables" or "a technique that permits".
Researchers at the security firm Lookout demonstrated a trick that allowed them to install malware on the device when a user simply looked at a carefully crafted QR code.
In particular he looks at the way in which she uses lengthy and elaborate similes as a means of obfuscation rather than elucidation; a linguistic trick that allows the reader to physically experience the narrator's feelings of detachment and abstraction.
Scientists at IBM Research in Zurich have developed a software trick that allows them to compensate for this.
This is a statistical trick that allows complicated data such as those from magnetoencephalography to be reduced to a small number of components whose co-ordinates can then be plotted on a standard graph.
It's a useful trick that allows him to keep his mind while locked in Azkaban for murderers he didn't commit, and it's also a supposedly tightly regulated aspect of the wizarding world - although we do meet more unregistered Animagi in the series than registered.
I should note that the criticism of this also focuses on the fact that the shift towards looking at results is a rhetorical trick that allows NGOs to say they want to be transparent without releasing complete budgets.
The sport's appeal broadened with its latest surge--mainly due to television coverage, the star status of some minority skaters, and the "Ollie". Invented in the late 1970s, the Ollie is a jump trick that allows skaters to hop over obstacles and up curbs.
The second part in June and December is called "paga extra" and this is an administrative trick that allows the government to not pay it when it feels like it, but it is wrong to call it a "bonus".
To expose it and the shutter key, you slide the front portion of the body upward, a clever design trick that allows the device to behave like a handheld most of the time, but conveniently expose its camera features as you need or want them.
