How human fall flat hands works?(SOLVED)

i tried make a script that when something collide with hand collider it will joint it

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class HandConrtoller : MonoBehaviour {
6.     public FixedJoint joint;
7.     // Use this for initialization
8.     void Start () {
9. }
10. void Update () {
11. }
12. void OnCollisionEnter (Collision collision )
13. {
14.   if(collision.gameObject.GetComponent<Rigidbody>())
15.   {
16.  
17.    joint.connectedBody = collision.gameObject.GetComponent<Rigidbody>();
18.   }
19. }
20. }
21.  

and it doesnt give me error but it also didnt work

 

Solved unchecked is trigger

 

Thank u for help =))