diff --git a/bar.go b/bar.go
index e4278a2..19274d8 100644
--- a/bar.go
+++ b/bar.go
@@ -6,8 +6,10 @@
 	"fmt"
 	"io"
 	"io/ioutil"
+	"runtime"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 	"unicode/utf8"
 
@@ -46,6 +48,11 @@
 	done chan struct{}
 	// shutdown is closed from master Progress goroutine only
 	shutdown chan struct{}
+
+	arbitraryCurrent struct {
+		lock    uint32
+		current int64
+	}
 }
 
 type (
@@ -182,25 +189,6 @@
 	}
 }
 
-// SetTotal sets total dynamically.
-// Set final to true, when total is known, it will trigger bar complete event.
-func (b *Bar) SetTotal(total int64, final bool) bool {
-	select {
-	case b.operateState <- func(s *bState) {
-		if total > 0 {
-			s.total = total
-		}
-		if final {
-			s.current = s.total
-			s.toComplete = true
-		}
-	}:
-		return true
-	case <-b.done:
-		return false
-	}
-}
-
 // SetRefill sets refill, if supported by underlying Filler.
 func (b *Bar) SetRefill(upto int) {
 	b.operateState <- func(s *bState) {
@@ -208,6 +196,39 @@
 			f.SetRefill(upto)
 		}
 	}
+}
+
+// SetTotal sets total dynamically.
+// Set final to true, when total is known, it will trigger bar complete event.
+func (b *Bar) SetTotal(total int64, final bool) bool {
+	select {
+	case b.operateState <- func(s *bState) {
+		if total > 0 {
+			s.total = total
+		}
+		if final {
+			s.current = s.total
+			s.toComplete = true
+		}
+	}:
+		return true
+	case <-b.done:
+		return false
+	}
+}
+
+// SetCurrent sets progress' current to arbitrary amount.
+func (b *Bar) SetCurrent(current int64, wdd ...time.Duration) {
+	if current <= 0 {
+		return
+	}
+	for !atomic.CompareAndSwapUint32(&b.arbitraryCurrent.lock, 0, 1) {
+		runtime.Gosched()
+	}
+	last := b.arbitraryCurrent.current
+	b.IncrBy(int(current-last), wdd...)
+	b.arbitraryCurrent.current = current
+	atomic.StoreUint32(&b.arbitraryCurrent.lock, 0)
 }
 
 // Increment is a shorthand for b.IncrBy(1).