Create/src/main/resources/data/create/recipes/crushing/saddle.json

{
    "type": "create:crushing",
    "group": "minecraft:misc",
    "ingredients": [
    	{
    		"item": "minecraft:saddle"
    	}
    ], 
	"results": [
		{
			"item": "minecraft:leather",
			"count": 3
		},
		{
			"item": "minecraft:leather",
			"count": 2,
			"chance": 0.5
		},
		{
			"item": "minecraft:iron_nugget",
			"count": 8,
			"chance": 0.25
		}
	],
	"processingTime": 200
}