How to install a rain gutter ask this old house duration.
How to put up icicle lights with gutter guards.
Simply sliding the tab underneath the bottom shingle and stringing the wire through the hanger portion will enable lights to be strung across your roofline easily.
If your gutter helmet is installed underneath your shingles then most traditional shingle clips will work as intended.
Attach lights along your gutters or roof with plastic clips made for the job.
The best way to add icicle lights to your gutter.