History
Early pinking techniques
In 16th- to 18th-century Europe, pinking techniques involved manual piercing of fabric edges to create decorative patterns, a practice rooted in the term "pinking," which derives from the Middle English verb meaning to prick or ornament with small holes.[10] Tailors used tools such as awls or chisels to perforate cloth, leather, and occasionally paper, producing zigzag or scalloped designs that prevented fraying while adding ornamental flair to garments like doublets and breeches.[11] These methods were applied in tailoring for fashion accents, as seen in English satin ensembles from the 1630s where dampened fabric was pierced between stamped motifs.[11]
By the mid-18th century, specialized pinking irons emerged as refined tools for these tasks, consisting of metal stamps with zigzag edges designed to imprint patterns when struck.[12] In 1768, George Washington purchased a complete set of pinking irons from London for his wife Martha, exemplifying their use in household sewing at Mount Vernon, where enslaved artisans hammered the irons onto fabric laid over a lead plank to achieve uniform decorative edges without hemming.[13] These irons, dated circa 1765-1800, were typically employed for finishing ruffles and trims on silk and other fine materials, popular during the 1750-1770 period when elaborate ruching adorned robes.[12]
Early pinking methods were highly labor-intensive, requiring precise manual strikes with mallets to avoid misalignment, which often led to inconsistent patterns across larger pieces.[14] Skilled workers were essential to prevent fabric tears or uneven perforations, and the repetitive hammering process limited production speed, making it suitable primarily for bespoke or high-status items rather than mass output.[12] Additionally, improper force could damage delicate materials, underscoring the technique's reliance on craftsmanship over mechanization.[7]
Invention and patenting
Pinking shears were invented by Louise Austin of Whatcom, Washington, who received U.S. Patent No. 489,406 on January 3, 1893, for a hand-held scissor design featuring serrated blades with matching projections and depressions on their inner faces.[2] This design allowed for continuous, uniform zigzag cuts across fabrics and other materials, producing scalloped edges on both sides simultaneously.[2]
The primary purpose of Austin's invention was to mechanize the pinking process, enabling rapid and efficient edge finishing for cloth, silk, leather, paper, and similar materials without the need for stationary tools or additional finishing steps like overcasting.[2] By shortening thread lengths along the cut edge, the serrated blades minimized fraying, offering a practical solution for sewing tasks that previously required more labor-intensive methods.[2] Building on earlier pinking techniques that used heated irons for decorative or functional edging, Austin's shears represented a portable, hand-operated advancement.[15]
Austin's design laid the groundwork for later innovations, though widespread adoption occurred in the early 20th century.[16]
Modern developments
In the early to mid-20th century, pinking shears transitioned from artisanal tools to mass-produced items, driven by growing demand in the sewing and garment industries. A key advancement was the modern iteration invented by Samuel Briskman of Brooklyn, New York, in 1931, who received three U.S. patents in 1934 (including US1965443A, assigned to Briskman but invented by Felix Wyner and Edward Schulz) for improved blade mechanisms and manufacturing methods that enabled precise, durable zigzag cuts through multiple fabric layers.[3][4] This design facilitated greater commercial success, particularly during the Great Depression when efficient sewing tools supported job creation in U.S. factories.[16]
Companies like Gingher, established in 1947 in North Carolina, began manufacturing high-precision pinking shears using advanced steel forging techniques, enabling wider availability and consistency in quality.[17] Similarly, Fiskars, a Finnish firm with roots in ironworking since 1649, entered the scissors market in the 1960s and introduced ergonomic plastic-handled pinking shears in 1972, featuring spring-loaded mechanisms and contoured grips to minimize hand strain during prolonged use.[18]
A key technological advancement came in 1952 when Benjamin Luscalzo, an inventor from Chicago, Illinois, was granted U.S. Patent 2,600,036 for an improved pinking shears structure. This patent detailed a blade alignment mechanism using adjustable pivot components and tension springs to ensure the serrated blades remained precisely opposed, reducing uneven wear and preserving cut accuracy over thousands of cycles. The innovation addressed common durability issues in earlier models, extending tool lifespan and making pinking shears more reliable for professional applications.
The Florian Rotary Pinker, a manual rotary tool patented in 1939, provided an alternative for creating continuous pinked edges using a rolling action, suitable for intricate patterns in crafts like model aircraft covering.[19]
Since the 2000s, industrial developments have included electric fabric cutters capable of zigzag edges, though traditional manual pinking shears remain prevalent in home and professional sewing.