Use flatwound strings for a much cleaner sound when the marble hits the bass. Also, the strings greatly reduce fret buzz. : r/MarbleMachineX
Flatwound String Reviews - Bass Guitar Shack
ROUNDWOUND and FLATWOUND Guitar STRINGS / Audio Demo Test - YouTube
Flatwound vs. Roundwound Strings - Strings - Harmony Central
Pyramid Gold Nickel Flatwound 310/12 – Thomann United States
String (music) - Wikipedia
Flatwound vs. Roundwound Bass Strings
Why Flatwound Strings Are Better For Slide Guitar – FuelRocks
Flatwound string close ups... - General Discussion - Basschat
Flatwound Bass Strings - An underrated classic – t.blog
Slinky Flatwound Electric Bass Strings | Ernie Ball
DR Legend Flatwound Electric Guitar Strings – GuitarPusher
FLATWOUND vs ROUNDWOUND #2 🎸 Bass Strings - YouTube
Roundwound vs. Flatwound - The Ultimate Guide - Insta of Bass
Flatwounds vs. Roundwounds - Bass Guitar Shack
9 Big Differences of Roundwound and Flatwound Strings – GuitarandBass.com
Roundwound vs. Flatwound - The Ultimate Guide - Insta of Bass
Flatwound Bass Strings - An underrated classic – t.blog
My Flatwound Addiction - tonefiend.com
Flat Wound Guitar Strings | danlovesguitars.com
Guitar Strings: Roundwound vs Flatwound - The Guitar Gear Guru
Flatwound vs. Roundwound Strings - Which Should You Use? - Musician Wave
STAINLESS STEEL FLATWOUND BASS STRINGS 40-100 - Dunlop
