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Providing our customers with
high quality American-made
horse and pony tack with
old-fashioned, personal service.


How to Measure Your Horse Collar K. If Possible, measure a collar which fits the horse, using the inside dimensions of the collar, as shown.

Welcome to Chimacumtack Traditional Style Buggy Harness
Measure Mini horses, donkeys, mules and Zebras to
Large draft animals we can fit your equine.

What We Offer

Harness and Tack Supplies

We make or sell nearly any part/piece you could want for a harness of any style or size. Betathane, Biothane,
Nylon or Leather


How do I decide which collar to use?

Different horses need different collars. Use the table of images and information below to help you choose which collar will best suit your needs. Please note: All our collars are handmade and may differ slightly from images on this site. All are of the highest quality and craftsmanship.

Contact Janie & David Amdal
360-301-1317 or via email

Chimacum Tack
Horse Measuring Chart:

From Corner of mouth, over Poll to the other corner of the mouth
Length around the nose
Length of horse
Height of withers
Length of girth, all the way around body
Length of back, from position of harness saddle to base of tail.
From shoulder to shoulder
From flank to flank
Length from top of base of neck at proper position of collar. line should be straight, not conforming to horse's body.
Need More Help?-Click to See How

How do I decide which collar to use?
How do I measure for a blanket?
How do I measure for a bridle?
How do I measure for a bit?
How do I measure for and fit a collar?
How do I measure for a harness?
How do I measure for hames?
What Makes Chimacum Harness Unique?
What if I want to return an Item?
What if my custom ordered item doesn't fit?
What is betathane?
What is biothane?
Should I blanket my horse?
Will your harness fit my donkey?
Will your harness fit my pony?

Full Sweeny (FS) are for heavy and "stud like" necks, where the neck is extremely thick at the upper part of the neck.
Half Sweeny (HS) fits necks that are side and thick at the upper part of the neck. Most Draft Horses use HS.
Full Face (FF) or straight collars fits flat and slender necks. Most buggy horses use FF.
Mule Collars have very straight sides and are available by special order.

How to Measure Your Horse Chart

How to Measure for a Collar:
A)Use a collar measuring tool or two carpenter’s squares (L shaped rulers) or L shaped cardboard cutouts. Overlap the long sides of the two rulers or cutouts forming what looks like a letter C or half of a collar. Place that on the animal as if it were one side of the collar. Place it just where you want the collar to sit on the animal. Remove it carefully so the two parts do not slip and measure from the top to the bottom on the inside. That will be your collar size.

B)Look at the front of your horse’s neck. That will determine the shape (sweeny) for the collar. Average, straight necks, i.e. thoroughbred, standardbred are FULL FACE. Necks that are wider at the bottom than the top, i.e. quarter horse, fjord, halflinger, average drafts are HALF SWEENY. Necks that are thick all the way up are FULL SWEENY.