"My daughter is blind and her grade 2 class is exchanging Valentines tomorrow," he said. "She brailled 'love' on each one and then used a heart-shaped hole punch. The letters in print are so her classmates know what it says."

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Braille is a writing system for those who are visually impaired or blind. While it is not a language, any language can be written in braille.

The dad said that his daughter used a Perkins Brailler, which is similar to a typewriter, to braille the letters on heart-shaped cards she made with a heart-shaped hole punch.

She also typed personal notes to each classmate in braille.

Her parents did the writing and stamping in print underneath.

Dad, for his part, is very proud of his girl and humbled by the positive response.

"You're a pretty awesome parent," one Redditor said.

Another commented, "As someone who is blind, you're doing it right. I wish I had a daddy like you."