1Place a cucumber between two chopsticks and make diagonal cuts down to the chopsticks. Flip the cucumber over and make straight cuts across, also down to the chopsticks.
2Salt the cucumber slinkies and let sit for 20 minutes to draw out water.
3Rinse the cucumbers in water, then pat dry.
4In a bowl, combine the prepared cucumbers with the sliced green onion and yellow onion.
5Add the korean chili flakes, brown sugar, sesame oil, rice vinegar, and low sodium soy sauce. Toss to combine.