ANTM/Assets/ClothingController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ClothingController : MonoBehaviour {

    [SerializeField]
    private SkinnedMeshRenderer meshRenderer;

    int counter = 0;

    public void OnClick()
    {
        meshRenderer.SetBlendShapeWeight(1, counter);
        counter+=20;
    }
}