The phrase "adding an edge of" is correct and usable in written English.
It can be used when describing the enhancement or improvement of something by introducing a certain quality or characteristic.
Example: "The chef is known for adding an edge of spice to his dishes, making them unforgettable."
Alternatives: "infusing a touch of" or "introducing a hint of".
Now even many of those with jobs are not being paid, adding an edge of desperation to the rage.
Sparks apply their typically serio-comic sensibility to "Give Me Something", adding an edge of acerbity to her attempt to ward off alienation, while her Japanese-American friends Cibo Matto create the most feminine piece here in "Yes, I'm Your Angel", their delicate soundscaping skills allowing the lightness of spirit in Yoko's voice to shine through.
Comparing the left column to the right column shows that adding an edge to a disconnected pair of edges increased the similarity between their contribution levels.
As shown in Figure 3, when adding an edge to graph a, which consists of three communities, graph a will become graph b.
But the appearance of such power in music these days, achieved freshly and originally, adds an edge of triumph.
He give Elling an endearing, childishly direct voice, but adds an edge of violent anger that keeps the tone arrestingly eccentric.
Age has added an edge of foolish decorousness, especially since the death of his wife of three decades, Sally Hayfron, in 1992, and his remarriage four years later, at the age of seventy-one, to his secretary, Grace, forty-one years his junior.
But then there is the matter of their five-month, not-quite-extinguished love affair -- unfinished business that is meant to add an edge of tension to the proceedings but mainly serves as the occasion to revive such time-honored lines as "We're two of a kind, you and I".
The two chefs seem to question everything when they're building a new restaurant; with this one, they asked whether antiques like silver punch bowls (for oysters) and carafes (for red wines, even ones that don't need decanting) could add an edge of celebratory decadence that feels right for these times.
To make it more elaborate, use tiny googly eyes, doll hair, tailored bedding and perhaps even add an edging of velvet ribbon or lace around the edge of the walnut cradle.
