Pin frogs were developed in Japan where they’re called “kenzan.” They’re used in ikebana, a Japanese art form of arranging flowers.
Going Foam-Free with Flower Frogs – Harmony Harvest Farm
Flower Frogs: Your Complete Guide on How to Use—and More
Frog and Fig Botanicals
Round Flower Arrangers, 3 Pieces Flower Frog Fixed Tools Japanese Flower Holder Floral Arrangement Pin Holder for Flower Arrangement, Fixation and Decoration (Silver, 0.91 Inch, 1.02 Inch, 2.36 Inch) : Arts, Crafts & Sewing
Making a Dried Flower Arrangement
Floral Arrangements Using Frog Lids - The Coastal Oak
Floral Frogs are the cheap secret to perfect flower arrangements
3 Size Metal Flower Frog/flower Jar Lid/flower Arrangement/kenzan/vessel Top/mason Jar Top/flower Holdervase Not Included
How to Use a Flower Frog