Links to capo manufacturers will be found among the capos. Here are some other links I'd like to share:

LEARNING HOW TO PLAY:

Learn how to build chords - any chord on any stringed instrument. It is very easy, when you know how. Simple method: no fancy words, no written music. Absolutely free. You won't need chordbooks anymore, just build the chord anywhere on the instrument neck when you need it.

• Reed Kotler Music. Makers of cool transcribing aids that help you learn by ear from your favorite recordings.

• kysershortcut.com: Free videos, links and a forum for learning about partial capo techniques.

• The Chord Genome Project: Resource to find songs to play with the chords you know. For guitar, mandolin, banjo and ukulele.

BLUEGRASS MUSIC:

• AcuTab Publications. Tabulature books for banjo, guitar and mandolin. Lots of bluegrass links.

• BlueGrassRoots. Estonian bluegrass site with lots of links.

• The Bluegrass Radio Network. Listen to bluegrass radio shows while you surf.

• Bluegrass World - 24 hours webcasting of bluegrass music, lots of links.

• iBluegrass Magazine. Monthly bluegrass webmagazine.

• Osborne Brothers - Stars of the Grand Ole Opry. Featuring Sonny's Chief banjo (with a Chief capo) and Bobby's signature model mandolin The Osborne.

INSTRUMENTS & ACCESSORIES:

• Acoustic Music Supply. Online store - instruments, accessories, books, videos, gifts.

• Fine Fretted String Instruments. Californian music store, specializing in fine classical and flamenco guitars.

• Frets.com. A world of information about fretted instruments, instrument building and repair. Luthier Frank Ford is generously sharing all his knowledge and skills.

• Guitar Gallery of Houston. Many guitar-related links.

• Huber Banjos & Accessories. Handmade banjos featuring the Huber Vintage Flathead Tone Ring.

• Kenneth Sparr's Home Page with information about the lute, the guitar and the early keyboard.

• Long Neck Banjo Land.

• Mugwumps Online is dedicated to vintage folkmusic instruments and accessories. Articles, ads and links.
  (Publisher Michael I. Holmes has given me several pictures of old capos.)

• The Perfect Pickin Pouch™. Secure it to the back of your instrument to creat a better angle between your torso and the instrument. Store your accessories in it.

• MEGA guitar.com. Online store - electric guitars, acoustic guitars, bass, amps, accessories, books.